Thursday
May 28, 2015

Homework Help: chemistry

Posted by Jess on Sunday, September 27, 2009 at 6:56pm.

51. What is the mass of 4.2 kg of gold when it is transferred to a planet having twice the gravity of earth?

71. You have a mixture of salt and sand that must be separated by using physical changes only. Describe what you would do to prepare dry samples of the two constituents of the mixture.

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